The Sinpa Revolutionary Site there is associated with Kim Jong Suk's underground political activities there during the anti-Japanese struggle.

Kimjŏngsuk lies in the northern portion of the Kaema Plateau, and slopes downward toward the north.

The highest point is Huisaekbong itself, 2185 m. Some 92% of the county's area is forestland.

Kimjŏngsuk county is divided into 1 ŭp (town), 2 rodongjagu (workers' districts) and 22 ri (villages): The chief local industry is logging; there is little agriculture, except for some rice cultivation along the Yalu.

There are local deposits of molybdenum, gold, copper, silver, lead, zinc and tungsten.